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GET /api/patches/702114/?format=api
{ "id": 702114, "url": "http://patchwork.ozlabs.org/api/patches/702114/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1480710782-9195-9-git-send-email-bimmy.pujari@intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1480710782-9195-9-git-send-email-bimmy.pujari@intel.com>", "list_archive_url": null, "date": "2016-12-02T20:33:02", "name": "[next,S56,8/8] Acquire NVM lock before reads on all devices", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "567361b5216af0d0493bc927d4a529fa2a3a1b41", "submitter": { "id": 68919, "url": "http://patchwork.ozlabs.org/api/people/68919/?format=api", "name": "Pujari, Bimmy", "email": "bimmy.pujari@intel.com" }, "delegate": { "id": 68, "url": "http://patchwork.ozlabs.org/api/users/68/?format=api", "username": "jtkirshe", "first_name": "Jeff", "last_name": "Kirsher", "email": "jeffrey.t.kirsher@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1480710782-9195-9-git-send-email-bimmy.pujari@intel.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/702114/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/702114/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@lists.osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Received": [ "from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3tVm9R2DlTz9t2n\n\tfor <incoming@patchwork.ozlabs.org>;\n\tSat, 3 Dec 2016 07:34:51 +1100 (AEDT)", "from localhost (localhost [127.0.0.1])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id A680D85147;\n\tFri, 2 Dec 2016 20:34:49 +0000 (UTC)", "from fraxinus.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id IEQ8bMFEpoCR; Fri, 2 Dec 2016 20:34:47 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id 9386E8532A;\n\tFri, 2 Dec 2016 20:34:45 +0000 (UTC)", "from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138])\n\tby ash.osuosl.org (Postfix) with ESMTP id 02EE61BFB36\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tFri, 2 Dec 2016 20:34:42 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby whitealder.osuosl.org (Postfix) with ESMTP id 036FE84524\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tFri, 2 Dec 2016 20:34:42 +0000 (UTC)", "from whitealder.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id 3F+f0BkHm49X for <intel-wired-lan@lists.osuosl.org>;\n\tFri, 2 Dec 2016 20:34:41 +0000 (UTC)", "from mga01.intel.com (mga01.intel.com [192.55.52.88])\n\tby whitealder.osuosl.org (Postfix) with ESMTPS id 43C038451E\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tFri, 2 Dec 2016 20:34:41 +0000 (UTC)", "from orsmga001.jf.intel.com ([10.7.209.18])\n\tby fmsmga101.fm.intel.com with ESMTP; 02 Dec 2016 12:34:40 -0800", "from bimmy.jf.intel.com (HELO bimmy.linux1.jf.intel.com)\n\t([134.134.2.167])\n\tby orsmga001.jf.intel.com with ESMTP; 02 Dec 2016 12:34:39 -0800" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos; i=\"5.33,288,1477983600\"; d=\"scan'208\";\n\ta=\"1067223599\"", "From": "Bimmy Pujari <bimmy.pujari@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Fri, 2 Dec 2016 12:33:02 -0800", "Message-Id": "<1480710782-9195-9-git-send-email-bimmy.pujari@intel.com>", "X-Mailer": "git-send-email 2.4.11", "In-Reply-To": "<1480710782-9195-1-git-send-email-bimmy.pujari@intel.com>", "References": "<1480710782-9195-1-git-send-email-bimmy.pujari@intel.com>", "Cc": "Aaron Salter <aaron.k.salter@intel.com>", "Subject": "[Intel-wired-lan] [next PATCH S56 8/8] Acquire NVM lock before\n\treads on all devices", "X-BeenThere": "intel-wired-lan@lists.osuosl.org", "X-Mailman-Version": "2.1.18-1", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.lists.osuosl.org>", "List-Unsubscribe": "<http://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@lists.osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@lists.osuosl.org?subject=help>", "List-Subscribe": "<http://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "intel-wired-lan-bounces@lists.osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@lists.osuosl.org>" }, "content": "From: Aaron Salter <aaron.k.salter@intel.com>\n\nAcquire NVM lock before reads on all devices. Previously, locks were\nonly used for X722 and later. Fixes an issue where simultaneous X710\nNVM accesses were interfering with each other.\n\nSigned-off-by: Aaron Salter <aaron.k.salter@intel.com>\nChange-ID: If570bb7acf958cef58725ec2a2011cead6f80638\n---\n drivers/net/ethernet/intel/i40e/i40e_nvm.c | 12 ++++++------\n 1 file changed, 6 insertions(+), 6 deletions(-)", "diff": "diff --git a/drivers/net/ethernet/intel/i40e/i40e_nvm.c b/drivers/net/ethernet/intel/i40e/i40e_nvm.c\nindex 38ee18f..800bd55 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_nvm.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_nvm.c\n@@ -292,14 +292,14 @@ i40e_status i40e_read_nvm_word(struct i40e_hw *hw, u16 offset,\n {\n \tenum i40e_status_code ret_code = 0;\n \n-\tif (hw->flags & I40E_HW_FLAG_AQ_SRCTL_ACCESS_ENABLE) {\n-\t\tret_code = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);\n-\t\tif (!ret_code) {\n+\tret_code = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);\n+\tif (!ret_code) {\n+\t\tif (hw->flags & I40E_HW_FLAG_AQ_SRCTL_ACCESS_ENABLE) {\n \t\t\tret_code = i40e_read_nvm_word_aq(hw, offset, data);\n-\t\t\ti40e_release_nvm(hw);\n+\t\t} else {\n+\t\t\tret_code = i40e_read_nvm_word_srctl(hw, offset, data);\n \t\t}\n-\t} else {\n-\t\tret_code = i40e_read_nvm_word_srctl(hw, offset, data);\n+\t\ti40e_release_nvm(hw);\n \t}\n \treturn ret_code;\n }\n", "prefixes": [ "next", "S56", "8/8" ] }